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Askar Colour Magic Ultra E1 + E2 Duo Narrowband Filter Package, 2 Inch

Name: Askar Colour Magic Ultra E1 + E2 Duo Narrowband Filter Package, 2 Inch
Brand: Askar Sharpstar
SKU: ASESET2
Price: 1390 EUR

Askar 2" Duo Narrowband Deep-Sky Nebula Filter with maximum 4 nm bandwidth - without halos around bright stars for color and monochrome cameras

Nebula filter in 2" low-profile cell with M48x0.75 threaded connection

Line filter E1 with aperture at 656.3 nm (H-alpha) and 500.7 nm ([O III])

Bandwidth H-alpha 3.7 nm, [O III] 4.0 nm

Line filter E2 with aperture at 672 nm ([S II]) and 500.7 nm ([O III])

Bandwidth [S II] 4.0 nm, [O III] 3.7 nm

85 % maximum light transmission

Stray light is effectively eliminated and even at full moon high contrast images are possible

Disturbing halos around stars are suppressed by an anti-reflective coating

Manufacturer: Askar Sharpstar

Product number: ASESET2

EUR 1.390,00

incl. 19 % VAT (DE)

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excl. 6.95 € shipping costs (DE)

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Askar Colour Magic Ultra E1 + E2 Duo Narrowband Filter Package, 2 Inch

Askar 2" Duo Narrowband Deep-Sky Nebula Filter with maximum 4 nm bandwidth - without halos around bright stars for color and monochrome cameras

Nebula filter in 2" low-profile cell with M48x0.75 threaded connection

Line filter E1 with aperture at 656.3 nm (H-alpha) and 500.7 nm ([O III])

Bandwidth H-alpha 3.7 nm, [O III] 4.0 nm

Line filter E2 with aperture at 672 nm ([S II]) and 500.7 nm ([O III])

Bandwidth [S II] 4.0 nm, [O III] 3.7 nm

85 % maximum light transmission

Stray light is effectively eliminated and even at full moon high contrast images are possible

Disturbing halos around stars are suppressed by an anti-reflective coating

Details..
Technical data..
In the box..
Manufacturer infos..
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Askar Colour Magic Ultra E1 + E2 Duo Narrowband Filter Package, 2 Inch

A ColourMagic Ultra E 2" Duo-narrowband filter is a professional astrophotography tool specifically designed for deep-sky imaging.

The Ultra E Filter, as its name suggests, boasts "Ultra" halo control capabilities. During its development, Askar implemented special design optimizations, resulting in a unique filter with one passband at 3 nm and another outside the 3 nm range.

With the ColourMagic Ultra E Filter, you can capture high-quality deep-sky images even in areas affected by urban light pollution, atmospheric airglow, or other light sources. The narrower bandwidth and high transmission significantly enhance image contrast, making it easier to reveal subtle details of celestial objects that are typically difficult to capture.

Beyond the traditional H-alpha+OIII duo-narrowband filter, the ColourMagic Ultra E filter also introduces an SII+OIII filter.

Askar designates the H-alpha+OIII filter as E1 and the SII+OIII filter as E2 filter. Together, they form the ColourMagic Ultra E Filter Set, offering color camera users a novel way to achieve results similar to those taken with monochrome cameras and triple narrowband filters - without the need for additional equipment. This opens up new possibilities for astrophotographers to enjoy even more astronomical wonders.

With exceptional halo control and innovative imaging solutions, the colourMagic Ultra E Filter helps you explore the deeper beauty of the universe.

Type:	Nebula filter
CWL E1 filter:	656.3 nm and 500.7 nm
FWHM E1 filter:	H-alpha 3.7 nm, [O III] 4.0 nm
CWL E2 filter:	672 nm and 500.7 nm
FWHM E2 filter:	[S II] 4.0 nm, [O III] 3.7 nm
Maximum transmission:	85 %
Off-band blocking:	>= OD5 between 200 and 1100 nm
Thickness of the filter glass:	1.85 mm
Size:	2" mounted
Filter mount:	Metal - low-profile
Connection thread:	M48x0.75

- 2 filters, each with transport packaging

Manufacturer / Importeur:	Teleskop-Service Ransburg GmbH
Street:	Von-Myra-Str. 8
ZIP / City:	85599 Parsdorf
Country:	Germany
Telefon number:	+49 89 99228750
Email:	info@teleskop-service.de
Website:	www.teleskop-service.de